[Bug 1053789] Re: Xorg crashes in drm_intel_bo_is_reusable() from intel_set_pixmap_bo()

[Daniel van Vugt]

** Changed in: compiz
       Status: Triaged => Invalid

** Changed in: compiz
     Assignee: Daniel van Vugt (vanvugt) => (unassigned)

** Changed in: compiz
    Milestone: 0.9.8.4 => None

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Title:
  Xorg crashes in drm_intel_bo_is_reusable() from intel_set_pixmap_bo()

Status in Compiz:
  Invalid
Status in X.org xf86-video-intel:
  Unknown
Status in “libdrm” package in Ubuntu:
  New
Status in “xserver-xorg-video-intel” package in Ubuntu:
  New

Bug description:
  re-redirecting an unredirected OpenGL window sometimes kills the X
  server.

  Test case:
    1. Enable "Unredirect Fullscreen Windows" in CCSM > Composite.
    2. Start an OpenGL game, or video with: mplayer -vo gl ...
    3. Trigger scale (Shift+Alt+Up) or the window menu (Alt+Space)
  If it doesn't crash, then repeat.

  Expected: Either windows scale or the window menu appears
  Observed: Sometimes, just sometimes, X crashes and I get sent back to the login screen.

  Program received signal SIGSEGV, Segmentation fault.
  0x00007f12ea7f1e24 in drm_intel_bo_is_reusable ()
     from /usr/lib/x86_64-linux-gnu/libdrm_intel.so.1
  (gdb) bt
  #0  0x00007f12ea7f1e24 in drm_intel_bo_is_reusable ()
     from /usr/lib/x86_64-linux-gnu/libdrm_intel.so.1
  #1  0x00007f12eaa1ecfb in intel_set_pixmap_bo (pixmap=0x7f12efcf2370, bo=0x0)
      at ../../src/intel_uxa.c:643
  #2  0x00007f12eaa1eec7 in intel_uxa_destroy_pixmap (pixmap=0x7f12efcf2370)
      at ../../src/intel_uxa.c:1108
  #3  0x00007f12ee763f60 in damageDestroyPixmap (pPixmap=0x7f12efcf2370)
      at ../../../miext/damage/damage.c:1652
  #4  0x00007f12eb692402 in XvDestroyPixmap (pPix=0x7f12efcf2370)
      at ../../Xext/xvmain.c:387
  #5  0x00007f12ee73980a in ShmDestroyPixmap (pPixmap=0x7f12efcf2370)
      at ../../Xext/shm.c:276
  #6  0x00007f12eaa3070b in I830DRI2DestroyBuffer (drawable=<optimised out>,
      buffer=<optimised out>) at ../../src/intel_dri.c:434
  #7  0x00007f12eac5e97b in DRI2DrawableGone (p=0x7f12ef829d20,
      id=<optimised out>) at ../../../../hw/xfree86/dri2/dri2.c:309
  #8  0x00007f12ee6be5c2 in doFreeResource (res=0x7f12ef829db0, skip=0)
      at ../../dix/resource.c:571
  #9  0x00007f12ee6bf2fa in FreeClientResources (client=0x7f12efa19d80)
      at ../../dix/resource.c:853
  #10 0x00007f12ee69cd2a in CloseDownClient (client=0x7f12efa19d80)
      at ../../dix/dispatch.c:3477
  #11 0x00007f12ee69d8b6 in Dispatch () at ../../dix/dispatch.c:454
  #12 0x00007f12ee68c7ba in main (argc=8, argv=<optimised out>,
      envp=<optimised out>) at ../../dix/main.c:287
  (gdb)

  ---
  .tmp.unity.support.test.0:

  ApportVersion: 2.0.1-0ubuntu13
  Architecture: amd64
  CompizPlugins: [core,composite,opengl,compiztoolbox,decor,mousepoll,gnomecompat,resize,vpswitch,grid,move,imgpng,regex,animation,wall,place,fade,session,expo,workarounds,scale,ezoom,unityshell]
  CompositorRunning: compiz
  DistUpgraded: Fresh install
  DistroCodename: precise
  DistroRelease: Ubuntu 12.04
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes,
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0102] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:047e]
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  MachineType: Dell Inc. OptiPlex 990
  Package: xorg-server (not installed)
  ProcEnviron:
   LANGUAGE=en_AU:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_AU.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-30-generic root=UUID=9f6f99e2-1189-4bf1-bff7-af137071f572 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Tags:  precise running-unity ubuntu referred-by-support compiz-0.9
  Uname: Linux 3.2.0-30-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 09/10/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A07
  dmi.board.name: 0D6H9T
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 15
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA07:bd09/10/2011:svnDellInc.:pnOptiPlex990:pvr01:rvnDellInc.:rn0D6H9T:rvrA00:cvnDellInc.:ct15:cvr:
  dmi.product.name: OptiPlex 990
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.7.8-0ubuntu1.4
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.32-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.3+8.0.2-0ubuntu3.2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.3+8.0.2-0ubuntu3.2
  version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10.7
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1.2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4.1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2

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